Whether running for the win or simply reveling in the celebration of one of San Francisco’s oldest traditions, this years Bay to Breakers footrace on May 15th will be packed with costumed runners, freeballing exhibitionists and every species of party animal. With so many costume-centric events taking place in the city year-round, it’s lucky that SF is home to an impressive number of retailers that can help us suit up for the occasion.

To help get you started we’ve put together a list of the best costume, thrift, and vintage shops in town for putting together your B2B look.